JPH0121716Y2 - - Google Patents

Info

Publication number
JPH0121716Y2
JPH0121716Y2 JP1983108900U JP10890083U JPH0121716Y2 JP H0121716 Y2 JPH0121716 Y2 JP H0121716Y2 JP 1983108900 U JP1983108900 U JP 1983108900U JP 10890083 U JP10890083 U JP 10890083U JP H0121716 Y2 JPH0121716 Y2 JP H0121716Y2
Authority
JP
Japan
Prior art keywords
axis direction
machine
opening
spindle head
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP1983108900U
Other languages
Japanese (ja)
Other versions
JPS6017929U (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1983108900U priority Critical patent/JPS6017929U/en
Priority to US06/612,931 priority patent/US4621407A/en
Publication of JPS6017929U publication Critical patent/JPS6017929U/en
Application granted granted Critical
Publication of JPH0121716Y2 publication Critical patent/JPH0121716Y2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
    • B23Q3/157—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools
    • B23Q3/15706—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a single tool being inserted in a spindle directly from a storage device, i.e. without using transfer devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
    • B23Q1/015—Frames, beds, pillars
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5104—Type of machine
    • Y10T29/5105—Drill press
    • Y10T29/5107—Drilling and other
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/36—Machine including plural tools
    • Y10T408/37—Turret of tools
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/91—Machine frame
    • Y10T408/92—Machine frame with counterweight mechanism
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/309576—Machine frame
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T483/00—Tool changing
    • Y10T483/17—Tool changing including machine tool or component
    • Y10T483/1733—Rotary spindle machine tool [e.g., milling machine, boring, machine, grinding machine, etc.]
    • Y10T483/179—Direct tool exchange between spindle and matrix
    • Y10T483/1793—Spindle comprises tool changer
    • Y10T483/1795—Matrix indexes selected tool to transfer position

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)
  • Machine Tool Units (AREA)

Description

【考案の詳細な説明】 この考案はマシンニングセンタの機体に関する
ものである。[Detailed Description of the Invention] This invention relates to the body of a machining center.

従来、マシンニングセンタの機体には、第１図
に示すように、機台ａ上をＸ軸方向に摺動できる
工作物台Ａの一側に筐型状機台b′を設け、該機台
b′上に前記Ｘ軸方向と直交するＹ軸方向に移動で
きる機柱B′を設け、該機柱B′に、工具を保持す
るスピンドルヘツドＣをＺ軸方向に昇降自在に設
けたものがあるが、第１図に示すものは、工具交
換式のものとするには工具交換装置の機構が複雑
となり、而もスピンドルに作用する切削推力が片
持梁式に突出しているスピンドルヘツドＣに作用
するので機柱B′の工作物台寄り根本に作用する
反力が大きく、機柱B′、筐型状機台b′を勢い大型
にしないと高精度が得られず、重量も大きくな
り、機柱B′が大きくなると機柱B′をＹ軸方向に
移動させる装置も頑丈のものが要求され、又Ｙ軸
方向の摺動面がスピンドルヘツドＣの下端より下
方にあるため該摺動面の切粉対策が必要となる等
の欠点があつた。 Conventionally, as shown in Fig. 1, a machining center machine has a housing-shaped machine stand b' on one side of a workpiece table A that can slide on the machine stand a in the X-axis direction. stand
A machine column B' that can move in the Y-axis direction perpendicular to the X-axis direction is provided on b', and a spindle head C that holds a tool is provided on the machine column B' so that it can move up and down in the Z-axis direction. However, in the case of the tool shown in Fig. 1, the mechanism of the tool changer is complicated in order to make it a tool changer type, and the cutting thrust acting on the spindle is transmitted to the spindle head C which projects in a cantilevered manner. As a result, the reaction force acting on the base of machine column B' near the workpiece table is large, and unless machine column B' and housing-shaped machine table B' are made larger, high precision cannot be obtained and the weight will also increase. As the machine column B' becomes larger, the device for moving the machine column B' in the Y-axis direction must also be sturdy, and since the sliding surface in the Y-axis direction is below the lower end of the spindle head C, the sliding surface There were drawbacks such as the need to take measures against chips on the surface.

この考案は叙上の欠点を除去できたマシンニン
グセンタの機体を提供するのをその目的とする。 The purpose of this invention is to provide a machine for a machining center that can eliminate the above-mentioned drawbacks.

第２図に示す概念図に基づき、この考案に係
る、マシンニングセンタの機体の構成を説明する
と、Ｘ軸方向に摺動できるように工作物台Ａを支
持する機台ａの一側に、該工作物台Ａに面する側
に開口部１を有し、該開口部１の両側が該工作物
台Ａの方に被さつて出ている突出部２，２を有
し、内部に該開口部１に連なる空室３を設けた筐
型機台b1の上面における、前記Ｘ軸方向と直交す
るＹ軸方向に設けられた１対のガイドレール４，
４上に、摺動台６をＹ軸方向に摺動自在に設け、
該摺動台６にはドリル等のスピンドルヘツドＣを
昇降自在に嵌合保持させ、該摺動台６上に設けた
モーターｃにより該スピンドルヘツドＣを昇降で
きるようにし、前記筐型機台b1の空室３内には交
換用工具を回動盤に放射状方向に出入できるよう
に設けた交換用工具収納装置Ｄを収蔵できるよう
にしたものである。 The structure of the machine body of the machining center according to this invention will be explained based on the conceptual diagram shown in FIG. It has an opening 1 on the side facing the worktable A, and has protrusions 2, 2 on both sides of the opening 1 extending over the workpiece A, and has an opening 1 on the side facing the worktable A. A pair of guide rails 4 provided in the Y-axis direction perpendicular to the X-axis direction on the upper surface of the housing-type machine base b 1 provided with the empty chamber 3 connected to the opening 1;
A sliding table 6 is provided on 4 so as to be slidable in the Y-axis direction,
A spindle head C of a drill or the like is fitted and held in the slide table 6 so as to be able to move up and down, and the spindle head C can be moved up and down by a motor c provided on the slide table 6, and the housing type machine stand b In the empty chamber 3 of No. 1 , a replacement tool storage device D is provided so that replacement tools can be taken in and out of the rotary plate in a radial direction.

第３図及び第４図に示す一実施例に基づきその
構成を一層詳記すると、Ｘ軸方向に摺動できる工
作物台Ａを支持する機台ａの一側に、該工作物台
Ａに面する側に開口部１を有し、該開口部１の両
側が該工作物台Ａの方に被さつて出ている突出部
２，２を有し、内部に該開口部１に連なる空室３
を設けた筐型機台b1の上面における、前記Ｘ軸方
向と直交するＹ軸方向に摺動台６を該Ｙ軸方向に
摺動自在に設け、該摺動台６に工具のスピンドル
ヘツドＣを昇降自在に嵌合保持させ、該摺動台６
上に設けたモーターｃにより該スピンドルヘツド
Ｃを前記Ｘ軸方向及びＹ軸方向に直交するＺ軸方
向に昇降できるようにし、前記筐型機台ｂの空室
３内には交換用工具１０を回動盤１１に放射状に
設けた溝１２に放射状方向に出入できるように設
けた交換用工具収納装置Ｄを収蔵できるようにし
たものである。 To describe the configuration in more detail based on the embodiment shown in FIGS. 3 and 4, on one side of the machine platform a that supports the work platform A that can slide in the X-axis direction, It has an opening 1 on the facing side, has protrusions 2, 2 on both sides of the opening 1 extending over the worktable A, and has an air space connected to the opening 1 inside. Room 3
A slide table 6 is provided on the upper surface of the housing-type machine stand b 1 so as to be slidable in the Y-axis direction perpendicular to the X-axis direction, and a spindle head of a tool is mounted on the slide table 6. C is fitted and held so that it can be raised and lowered, and the sliding table 6
The spindle head C can be moved up and down in the Z-axis direction perpendicular to the X-axis direction and the Y-axis direction by a motor c provided above, and a replacement tool 10 is placed in the empty space 3 of the housing-type machine base b. A replacement tool storage device D, which is provided in a groove 12 radially provided in a rotary disk 11 so as to be able to enter and exit in a radial direction, can be stored therein.

なお、筐型機台b1上を摺動台６がＹ軸方向に摺
動する摺動面の構成又摺動台６にスピンドルヘツ
ドＣがＺ軸方向に昇降する昇降摺動面の構成は、
何れも第５図に示すように、夫々１対の軸承片１
３，１３，１４，１４で筐型機台b1側或はスピン
ドルヘツドＣ側に夫々設けたガイドレール４，４
（但し、スピンドルヘツドＣ側のガイドレールは
図示を省略した）を受けるようにするとよい。な
お又図中１５はスピンドルヘツドＣに設けられて
いるスピンドルｅの駆動用モーター、Ｅは摺動台
６のＹ軸方向機動用モーターを夫々示す。 The structure of the sliding surface on which the slide table 6 slides in the Y-axis direction on the housing-type machine base b1 , and the structure of the elevating sliding surface on which the spindle head C moves up and down in the Z-axis direction on the slide table 6 are as follows. ,
As shown in Fig. 5, each has a pair of bearing pieces 1.
3, 13, 14, 14 are guide rails 4, 4 provided on the housing type machine stand B1 side or the spindle head C side, respectively.
(However, the guide rail on the spindle head C side is not shown). In the figure, 15 is a motor for driving the spindle e provided in the spindle head C, and E is a motor for moving the slide table 6 in the Y-axis direction.

なお、交換用工具収納装置Ｄは第３図に示した
ものに限らず、第７図に示すように、随円形の盤
１６の外周に無端チエン１７を回転できるように
設け、該無端チエーン１７には交換用工具１８を
嵌め外し出来る交換用工具保持子１９を一定ピツ
チで設け、該無端チエン１７は該盤１６の内部に
設けた１対のチエーンホイール２０，２０に噛合
させ、該チエーンホイール２０の一個は機台２１
に設けたモーター２２で駆動するようにしたもの
でもよい。 Note that the replacement tool storage device D is not limited to the one shown in FIG. 3, but as shown in FIG. is provided with a replacement tool holder 19 at a constant pitch to which the replacement tool 18 can be fitted and removed, and the endless chain 17 is meshed with a pair of chain wheels 20, 20 provided inside the plate 16. One of 20 is machine 21
It may be driven by a motor 22 provided in the.

この実施例は叙上のような構成を有するから、
今第６図に示すように、従来の機柱型（第６図
乙）（第１図に示すもの）と、この考案に係るも
の（第６図甲）とは、乙が機柱B′より、スピン
ドルヘツドＣが片持梁状に出ている点と、甲が筐
型機台b1より摺動台６を介してではあるがスピン
ドルヘツドＣが片持梁状に出いいる点は同じであ
るが、今、その片持梁の長さl1（但し機柱B′の前
壁或は筐型機台b1の前壁よりスピンドルｅの中心
までの長さ）を同じとしてスピンドルｅが切削を
行う時、乙の機柱B′の前壁下端に生じる反力W1
と、甲の筐型機台b1の突出部２の先端に生じる反
力W2とを、甲乙とも、各スピンドルｅより機柱
B′及び筐型機台b1の後壁までの距離を等しくＬと
して検討して見ると、乙における反力W1は、ス
ピンドルｅにおける切削推力をＷとすると、 W1＝WL／l2 これに対し、甲における突出部２の端面部の反
力W2は、 W2＝WL／l4 そこで、甲における反力W2の乙における反力
W1に対する比を求めると、 W2／W1＝WL／l4／WL／l2＝l2／l4＝Ｌ−l1／Ｌ−l3 ＝Ｌ−（l3＋ｌ）／Ｌ−l3＜１ となり、突出部２の突出量ｌだけ甲における反力
W2は乙における反力W1より小さくなり、機体の
軽量化が可能となり、剛性の高い、高精度の機体
を作ることができ、Ｙ軸方向の摺動台６が乙に比
して軽量となるのでＹ軸方向移動機構を簡素に作
り得、筐型機台b1のガイドレール４の面はスピン
ドルに装着された工具が切削作業をする位置より
上方にあるので、４の面への切粉対策は不要にな
り、又筐型機台b1には内部に空室３があるので、
第３図、第４図に示すように、回動盤１１を設
け、該回動盤に放射状に溝１２を設け、該溝１２
に交換用工具１０を放射方向に出入できる交換用
工具収納装置Ｄ或は第７図に示す交換用工具収納
装置Ｄを容易に組込めるし、該筐型機台b1の工作
物台Ａ側には開口部１があるためスピンドルヘツ
ドＣのスピンドルｅは該開口部１より空室３内に
容易に進入でき、スピンドルｅが直接交換工具を
取りに行くことができ、従つて交換工具装置全体
が簡潔となる。 Since this embodiment has the configuration as described above,
As shown in Fig. 6, the conventional machine pillar type (Fig. 6 B) (shown in Fig. 1) is different from the one related to this invention (Fig. 6 A). Therefore, the point that the spindle head C protrudes in a cantilever shape, and the point that the spindle head C protrudes in a cantilever shape is The same is true, but now, assuming that the length l 1 of the cantilever beam is the same (however, the length from the front wall of machine column B' or the front wall of box-type machine base b 1 to the center of spindle e) When e performs cutting, the reaction force W 1 generated at the lower end of the front wall of B's machine column B'
and the reaction force W2 generated at the tip of the protruding part 2 of the housing-type machine stand b1 of Party A.
Considering the distances to the rear wall of B' and the housing type machine stand b 1 as equal L, the reaction force W 1 at B is as follows: When the cutting thrust at spindle e is W, W 1 = WL/l 2 On the other hand, the reaction force W 2 on the end face of the protrusion 2 on A is W 2 = WL/l 4 Therefore, the reaction force W 2 on A is the reaction force on B
When calculating the ratio to W 1 , W 2 /W 1 = WL / l 4 / WL / l 2 = l 2 / l 4 = L-l 1 /L-l 3 = L- (l 3 + l) / L- l 3 <1, and the reaction force at the instep is equal to the protrusion amount l of the protrusion 2.
W 2 is smaller than the reaction force W 1 at B, making it possible to reduce the weight of the aircraft, making it possible to create a highly rigid and high-precision aircraft, and making the sliding table 6 in the Y-axis direction lighter compared to B. Therefore, the Y-axis direction movement mechanism can be easily created, and since the surface of the guide rail 4 of the housing type machine base b1 is above the position where the tool attached to the spindle performs cutting work, There is no need to take measures against chips, and since there is a vacant chamber 3 inside the housing type machine stand B1 ,
As shown in FIGS. 3 and 4, a rotary disk 11 is provided, and grooves 12 are provided radially on the rotary disk.
The replacement tool storage device D that allows the replacement tools 10 to be taken in and out in the radial direction or the replacement tool storage device D shown in FIG . Since there is an opening 1 in , the spindle e of the spindle head C can easily enter into the empty chamber 3 through the opening 1, and the spindle e can directly go to pick up the changeable tool, so that the entire changeable tool apparatus becomes concise.

この考案は叙上のような構成、作用を有するか
ら、従来のドリル等の工作機械の機体に比し、軽
量で剛性、精密度が高く、工作物台Ａ以外の摺動
面の切粉対策が不必要で、而も工具交換装置を簡
単な構成にして簡潔に収納できる、マシンニング
センターの機体を提供できる。 Since this device has the above-mentioned configuration and function, it is lighter, more rigid, and more precise than conventional machine tool bodies such as drills, and is effective against chips on sliding surfaces other than work table A. To provide a machine for a machining center in which a tool changing device is not necessary and can be easily stored with a simple configuration.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の機柱型マシンニングセンターの
機体の構成を示す概念図、第２図はこの考案に
かゝるマシニングセンタの機体の構成を示す概念
図、第３図はこの考案の一実施例の斜視図、第４
図はその一部縦断正面図、第５図は筐型機台b1と
摺動台６との摺動面の構成を示す分解斜視図、第
６図はこの考案における突出部の効果の説明図、
第７図は交換用工具収納装置の他の例の斜視図を
夫々示し、Ａは工作物台、Ｃはスピンドルヘツ
ド、Ｄは交換用工具収納装置、ａは機台、b1は筐
型機台、１は開口部、２は突出部、３は空室、６
は摺動台を夫々示す。 Figure 1 is a conceptual diagram showing the configuration of the machine of a conventional column-type machining center, Figure 2 is a conceptual diagram showing the configuration of the machine of a machining center according to this invention, and Figure 3 is an implementation of this invention. Example perspective view, 4th
The figure is a partially longitudinal front view, Figure 5 is an exploded perspective view showing the structure of the sliding surface between the housing type machine base b 1 and the sliding base 6, and Figure 6 is an explanation of the effect of the protrusion in this invention. figure,
FIG. 7 shows perspective views of other examples of replacement tool storage devices, where A is a workpiece table, C is a spindle head, D is a replacement tool storage device, a is a machine stand, and b 1 is a housing type machine. Base, 1 is opening, 2 is protrusion, 3 is empty room, 6
indicate the sliding tables.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] Ｘ軸方向に摺動できるように工作物台Ａを支持
する機台ａの一側に、該工作物台Ａに面する側に
開口部１を有し、該開口部１の両側が該工作物台
Ａの上方に被さつて出ている突出部２，２を有
し、内部に該開口部１に連なる空室３を設けた筐
型機台b1の上面における、前記Ｘ軸方向と直交す
るＹ軸方向に、摺動台６を該Ｙ軸方向に摺動自在
に設け、該摺動台６にスピンドルヘツドＣをその
下端が該両突出部２，２間に位置してＺ軸方向に
昇降できるようにし、前記筐型機台b1の空室３内
には交換用工具収納装置Ｄを収蔵できるようにし
たことを特徴とするマシニングセンタの機体。 An opening 1 is provided on one side of the machine platform a that supports the work platform A so as to be able to slide in the X-axis direction, and the opening 1 is provided on the side facing the work platform A, and both sides of the opening 1 are The X-axis direction and A slide table 6 is provided slidably in the orthogonal Y-axis direction, and a spindle head C is mounted on the slide table 6 with its lower end positioned between the two protrusions 2, 2, and aligned with the Z-axis. A machine body of a machining center, characterized in that it is capable of moving up and down in directions, and a replacement tool storage device D can be stored in a vacant room 3 of the housing-type machine base b1 .
JP1983108900U 1983-07-15 1983-07-15 Machine of machining center Granted JPS6017929U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1983108900U JPS6017929U (en) 1983-07-15 1983-07-15 Machine of machining center
US06/612,931 US4621407A (en) 1983-07-15 1984-05-22 Body for machining center

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983108900U JPS6017929U (en) 1983-07-15 1983-07-15 Machine of machining center

Publications (2)

Publication Number Publication Date
JPS6017929U JPS6017929U (en) 1985-02-06
JPH0121716Y2 true JPH0121716Y2 (en) 1989-06-28

Family

ID=14496468

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983108900U Granted JPS6017929U (en) 1983-07-15 1983-07-15 Machine of machining center

Country Status (2)

Country Link
US (1) US4621407A (en)
JP (1) JPS6017929U (en)

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Also Published As

Publication number Publication date
JPS6017929U (en) 1985-02-06
US4621407A (en) 1986-11-11

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